Shandong Ningjin News Today : Breaking News, Live Updates & Top Stories | Vimarsana

How long does it take for a little sapling to grow into a big tree, and how many trees are needed to make a forest? Zhang Zhisong, 70, has spent the past six years finding out the answers.

Yangtze riverChina generalWang mengYellow riverShandong ningjinYu qiyangZhang zhisongChen yunlongMinistry of water resourcesHukou waterfallNorth chinaYellow river protection lawYangtze river protection lawYellow river conservancy commissionEast chinaWater resources